OT-2026-000052131
Publication integrity record
Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000052131) never changes.
Identity and time
| Publication number | OT-2026-000052131 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78f-7821-902f-8cb19af198e2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052131 |
| Status | PUBLIC |
Content hashes
| Canonical text | 852895cebd7696584ea30db5dcdf235d6fa20f21d5b28d4142b73b30b7bfda9f |
|---|---|
| Markdown | 85d9f5c3c046100c5835c5d45e5372572973e407ef93f6b2bfc75ea61b93d057 |
| Publication page | e9b04471a2a1dae3f3b601188791937c1e8125a5a2ffae9a80193218d33cae22 |
| Manifest | 860645f0a3331d791fe93b5637d46e1515652f8a06b6939740f103d0cefe01a9 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | IxGOF/uqmlfoyqAlcPGZ6fC3xEiqyeozznxrlHUYxHN9xw09UUIOvNPn0Hepcy36RKEemGNsUnwYNWBgEml8DQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:40.775905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052131observed e9b04471a2a1dae3f3b601188791937c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:40.756623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052131/manifest.jsonobserved 860645f0a3331d791fe93b5637d46e15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:40.739603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052131/publication.mdobserved 85d9f5c3c046100c5835c5d45e537257...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:40.720478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052131/publication.txtobserved 852895cebd7696584ea30db5dcdf235d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|